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Finding the Fourth Proportional to 12,959.07, 17,883.41 and 7,370.07

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Solution

The fourth proportional to 12,959.07, 17,883.41 and 7,370.07 is: 10,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.07 : 17,883.41 = 7,370.07 : x
  2. Step 2: Convert to fraction form
    12,959.07/17,883.41 = 7,370.07/x
  3. Step 3: Cross multiply
    12,959.07x = 17,883.41 × 7,370.07
  4. Step 4: Simplify right side
    12,959.07x = 131,801,946.69
  5. Step 5: Solve for x
    x = 131,801,946.69/12,959.07
  6. Step 6: Final answer
    x = 10,170.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.